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12#include <linux/configfs.h>
13#include <linux/export.h>
14#include <scsi/iscsi_proto.h>
15#include <target/target_core_base.h>
16
17#include <target/iscsi/iscsi_target_core.h>
18#include "iscsi_target_parameters.h"
19#include "iscsi_target_device.h"
20#include "iscsi_target_tpg.h"
21#include "iscsi_target_util.h"
22#include <target/iscsi/iscsi_target_stat.h>
23
24#ifndef INITIAL_JIFFIES
25#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
26#endif
27
28
29#define ISCSI_INST_NUM_NODES 1
30#define ISCSI_INST_DESCR "Storage Engine Target"
31#define ISCSI_DISCONTINUITY_TIME 0
32
33#define ISCSI_NODE_INDEX 1
34
35#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
36
37
38
39
40
41
42
43static struct iscsi_tiqn *iscsi_instance_tiqn(struct config_item *item)
44{
45 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
46 struct iscsi_wwn_stat_grps, iscsi_instance_group);
47 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
48}
49
50static ssize_t iscsi_stat_instance_inst_show(struct config_item *item,
51 char *page)
52{
53 return snprintf(page, PAGE_SIZE, "%u\n",
54 iscsi_instance_tiqn(item)->tiqn_index);
55}
56
57static ssize_t iscsi_stat_instance_min_ver_show(struct config_item *item,
58 char *page)
59{
60 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
61}
62
63static ssize_t iscsi_stat_instance_max_ver_show(struct config_item *item,
64 char *page)
65{
66 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
67}
68
69static ssize_t iscsi_stat_instance_portals_show(struct config_item *item,
70 char *page)
71{
72 return snprintf(page, PAGE_SIZE, "%u\n",
73 iscsi_instance_tiqn(item)->tiqn_num_tpg_nps);
74}
75
76static ssize_t iscsi_stat_instance_nodes_show(struct config_item *item,
77 char *page)
78{
79 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
80}
81
82static ssize_t iscsi_stat_instance_sessions_show(struct config_item *item,
83 char *page)
84{
85 return snprintf(page, PAGE_SIZE, "%u\n",
86 iscsi_instance_tiqn(item)->tiqn_nsessions);
87}
88
89static ssize_t iscsi_stat_instance_fail_sess_show(struct config_item *item,
90 char *page)
91{
92 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
93 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
94 u32 sess_err_count;
95
96 spin_lock_bh(&sess_err->lock);
97 sess_err_count = (sess_err->digest_errors +
98 sess_err->cxn_timeout_errors +
99 sess_err->pdu_format_errors);
100 spin_unlock_bh(&sess_err->lock);
101
102 return snprintf(page, PAGE_SIZE, "%u\n", sess_err_count);
103}
104
105static ssize_t iscsi_stat_instance_fail_type_show(struct config_item *item,
106 char *page)
107{
108 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
109 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
110
111 return snprintf(page, PAGE_SIZE, "%u\n",
112 sess_err->last_sess_failure_type);
113}
114
115static ssize_t iscsi_stat_instance_fail_rem_name_show(struct config_item *item,
116 char *page)
117{
118 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
119 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
120
121 return snprintf(page, PAGE_SIZE, "%s\n",
122 sess_err->last_sess_fail_rem_name[0] ?
123 sess_err->last_sess_fail_rem_name : NONE);
124}
125
126static ssize_t iscsi_stat_instance_disc_time_show(struct config_item *item,
127 char *page)
128{
129 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
130}
131
132static ssize_t iscsi_stat_instance_description_show(struct config_item *item,
133 char *page)
134{
135 return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
136}
137
138static ssize_t iscsi_stat_instance_vendor_show(struct config_item *item,
139 char *page)
140{
141 return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
142}
143
144static ssize_t iscsi_stat_instance_version_show(struct config_item *item,
145 char *page)
146{
147 return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
148}
149
150CONFIGFS_ATTR_RO(iscsi_stat_instance_, inst);
151CONFIGFS_ATTR_RO(iscsi_stat_instance_, min_ver);
152CONFIGFS_ATTR_RO(iscsi_stat_instance_, max_ver);
153CONFIGFS_ATTR_RO(iscsi_stat_instance_, portals);
154CONFIGFS_ATTR_RO(iscsi_stat_instance_, nodes);
155CONFIGFS_ATTR_RO(iscsi_stat_instance_, sessions);
156CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_sess);
157CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_type);
158CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_rem_name);
159CONFIGFS_ATTR_RO(iscsi_stat_instance_, disc_time);
160CONFIGFS_ATTR_RO(iscsi_stat_instance_, description);
161CONFIGFS_ATTR_RO(iscsi_stat_instance_, vendor);
162CONFIGFS_ATTR_RO(iscsi_stat_instance_, version);
163
164static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
165 &iscsi_stat_instance_attr_inst,
166 &iscsi_stat_instance_attr_min_ver,
167 &iscsi_stat_instance_attr_max_ver,
168 &iscsi_stat_instance_attr_portals,
169 &iscsi_stat_instance_attr_nodes,
170 &iscsi_stat_instance_attr_sessions,
171 &iscsi_stat_instance_attr_fail_sess,
172 &iscsi_stat_instance_attr_fail_type,
173 &iscsi_stat_instance_attr_fail_rem_name,
174 &iscsi_stat_instance_attr_disc_time,
175 &iscsi_stat_instance_attr_description,
176 &iscsi_stat_instance_attr_vendor,
177 &iscsi_stat_instance_attr_version,
178 NULL,
179};
180
181const struct config_item_type iscsi_stat_instance_cit = {
182 .ct_attrs = iscsi_stat_instance_attrs,
183 .ct_owner = THIS_MODULE,
184};
185
186
187
188
189static struct iscsi_tiqn *iscsi_sess_err_tiqn(struct config_item *item)
190{
191 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
192 struct iscsi_wwn_stat_grps, iscsi_sess_err_group);
193 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
194}
195
196static ssize_t iscsi_stat_sess_err_inst_show(struct config_item *item,
197 char *page)
198{
199 return snprintf(page, PAGE_SIZE, "%u\n",
200 iscsi_sess_err_tiqn(item)->tiqn_index);
201}
202
203static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
204 char *page)
205{
206 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
207 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
208
209 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
210}
211
212static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
213 char *page)
214{
215 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
216 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
217
218 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
219}
220
221static ssize_t iscsi_stat_sess_err_format_errors_show(struct config_item *item,
222 char *page)
223{
224 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
225 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
226
227 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
228}
229
230CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
231CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
232CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
233CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);
234
235static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
236 &iscsi_stat_sess_err_attr_inst,
237 &iscsi_stat_sess_err_attr_digest_errors,
238 &iscsi_stat_sess_err_attr_cxn_errors,
239 &iscsi_stat_sess_err_attr_format_errors,
240 NULL,
241};
242
243const struct config_item_type iscsi_stat_sess_err_cit = {
244 .ct_attrs = iscsi_stat_sess_err_attrs,
245 .ct_owner = THIS_MODULE,
246};
247
248
249
250
251static struct iscsi_tiqn *iscsi_tgt_attr_tiqn(struct config_item *item)
252{
253 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
254 struct iscsi_wwn_stat_grps, iscsi_tgt_attr_group);
255 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
256}
257
258static ssize_t iscsi_stat_tgt_attr_inst_show(struct config_item *item,
259 char *page)
260{
261 return snprintf(page, PAGE_SIZE, "%u\n",
262 iscsi_tgt_attr_tiqn(item)->tiqn_index);
263}
264
265static ssize_t iscsi_stat_tgt_attr_indx_show(struct config_item *item,
266 char *page)
267{
268 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
269}
270
271static ssize_t iscsi_stat_tgt_attr_login_fails_show(struct config_item *item,
272 char *page)
273{
274 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
275 struct iscsi_login_stats *lstat = &tiqn->login_stats;
276 u32 fail_count;
277
278 spin_lock(&lstat->lock);
279 fail_count = (lstat->redirects + lstat->authorize_fails +
280 lstat->authenticate_fails + lstat->negotiate_fails +
281 lstat->other_fails);
282 spin_unlock(&lstat->lock);
283
284 return snprintf(page, PAGE_SIZE, "%u\n", fail_count);
285}
286
287static ssize_t iscsi_stat_tgt_attr_last_fail_time_show(struct config_item *item,
288 char *page)
289{
290 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
291 struct iscsi_login_stats *lstat = &tiqn->login_stats;
292 u32 last_fail_time;
293
294 spin_lock(&lstat->lock);
295 last_fail_time = lstat->last_fail_time ?
296 (u32)(((u32)lstat->last_fail_time -
297 INITIAL_JIFFIES) * 100 / HZ) : 0;
298 spin_unlock(&lstat->lock);
299
300 return snprintf(page, PAGE_SIZE, "%u\n", last_fail_time);
301}
302
303static ssize_t iscsi_stat_tgt_attr_last_fail_type_show(struct config_item *item,
304 char *page)
305{
306 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
307 struct iscsi_login_stats *lstat = &tiqn->login_stats;
308 u32 last_fail_type;
309
310 spin_lock(&lstat->lock);
311 last_fail_type = lstat->last_fail_type;
312 spin_unlock(&lstat->lock);
313
314 return snprintf(page, PAGE_SIZE, "%u\n", last_fail_type);
315}
316
317static ssize_t iscsi_stat_tgt_attr_fail_intr_name_show(struct config_item *item,
318 char *page)
319{
320 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
321 struct iscsi_login_stats *lstat = &tiqn->login_stats;
322 unsigned char buf[ISCSI_IQN_LEN];
323
324 spin_lock(&lstat->lock);
325 snprintf(buf, ISCSI_IQN_LEN, "%s", lstat->last_intr_fail_name[0] ?
326 lstat->last_intr_fail_name : NONE);
327 spin_unlock(&lstat->lock);
328
329 return snprintf(page, PAGE_SIZE, "%s\n", buf);
330}
331
332static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_type_show(struct config_item *item,
333 char *page)
334{
335 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
336 struct iscsi_login_stats *lstat = &tiqn->login_stats;
337 int ret;
338
339 spin_lock(&lstat->lock);
340 if (lstat->last_intr_fail_ip_family == AF_INET6)
341 ret = snprintf(page, PAGE_SIZE, "ipv6\n");
342 else
343 ret = snprintf(page, PAGE_SIZE, "ipv4\n");
344 spin_unlock(&lstat->lock);
345
346 return ret;
347}
348
349static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_show(struct config_item *item,
350 char *page)
351{
352 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
353 struct iscsi_login_stats *lstat = &tiqn->login_stats;
354 int ret;
355
356 spin_lock(&lstat->lock);
357 ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
358 spin_unlock(&lstat->lock);
359
360 return ret;
361}
362
363CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, inst);
364CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, indx);
365CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, login_fails);
366CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_time);
367CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_type);
368CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_name);
369CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr_type);
370CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr);
371
372static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
373 &iscsi_stat_tgt_attr_attr_inst,
374 &iscsi_stat_tgt_attr_attr_indx,
375 &iscsi_stat_tgt_attr_attr_login_fails,
376 &iscsi_stat_tgt_attr_attr_last_fail_time,
377 &iscsi_stat_tgt_attr_attr_last_fail_type,
378 &iscsi_stat_tgt_attr_attr_fail_intr_name,
379 &iscsi_stat_tgt_attr_attr_fail_intr_addr_type,
380 &iscsi_stat_tgt_attr_attr_fail_intr_addr,
381 NULL,
382};
383
384const struct config_item_type iscsi_stat_tgt_attr_cit = {
385 .ct_attrs = iscsi_stat_tgt_attr_attrs,
386 .ct_owner = THIS_MODULE,
387};
388
389
390
391
392static struct iscsi_tiqn *iscsi_login_stat_tiqn(struct config_item *item)
393{
394 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
395 struct iscsi_wwn_stat_grps, iscsi_login_stats_group);
396 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
397}
398
399static ssize_t iscsi_stat_login_inst_show(struct config_item *item, char *page)
400{
401 return snprintf(page, PAGE_SIZE, "%u\n",
402 iscsi_login_stat_tiqn(item)->tiqn_index);
403}
404
405static ssize_t iscsi_stat_login_indx_show(struct config_item *item,
406 char *page)
407{
408 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
409}
410
411static ssize_t iscsi_stat_login_accepts_show(struct config_item *item,
412 char *page)
413{
414 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
415 struct iscsi_login_stats *lstat = &tiqn->login_stats;
416 ssize_t ret;
417
418 spin_lock(&lstat->lock);
419 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->accepts);
420 spin_unlock(&lstat->lock);
421
422 return ret;
423}
424
425static ssize_t iscsi_stat_login_other_fails_show(struct config_item *item,
426 char *page)
427{
428 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
429 struct iscsi_login_stats *lstat = &tiqn->login_stats;
430 ssize_t ret;
431
432 spin_lock(&lstat->lock);
433 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->other_fails);
434 spin_unlock(&lstat->lock);
435
436 return ret;
437}
438
439static ssize_t iscsi_stat_login_redirects_show(struct config_item *item,
440 char *page)
441{
442 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
443 struct iscsi_login_stats *lstat = &tiqn->login_stats;
444 ssize_t ret;
445
446 spin_lock(&lstat->lock);
447 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->redirects);
448 spin_unlock(&lstat->lock);
449
450 return ret;
451}
452
453static ssize_t iscsi_stat_login_authorize_fails_show(struct config_item *item,
454 char *page)
455{
456 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
457 struct iscsi_login_stats *lstat = &tiqn->login_stats;
458 ssize_t ret;
459
460 spin_lock(&lstat->lock);
461 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authorize_fails);
462 spin_unlock(&lstat->lock);
463
464 return ret;
465}
466
467static ssize_t iscsi_stat_login_authenticate_fails_show(
468 struct config_item *item, char *page)
469{
470 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
471 struct iscsi_login_stats *lstat = &tiqn->login_stats;
472 ssize_t ret;
473
474 spin_lock(&lstat->lock);
475 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authenticate_fails);
476 spin_unlock(&lstat->lock);
477
478 return ret;
479}
480
481static ssize_t iscsi_stat_login_negotiate_fails_show(struct config_item *item,
482 char *page)
483{
484 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
485 struct iscsi_login_stats *lstat = &tiqn->login_stats;
486 ssize_t ret;
487
488 spin_lock(&lstat->lock);
489 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->negotiate_fails);
490 spin_unlock(&lstat->lock);
491
492 return ret;
493}
494
495CONFIGFS_ATTR_RO(iscsi_stat_login_, inst);
496CONFIGFS_ATTR_RO(iscsi_stat_login_, indx);
497CONFIGFS_ATTR_RO(iscsi_stat_login_, accepts);
498CONFIGFS_ATTR_RO(iscsi_stat_login_, other_fails);
499CONFIGFS_ATTR_RO(iscsi_stat_login_, redirects);
500CONFIGFS_ATTR_RO(iscsi_stat_login_, authorize_fails);
501CONFIGFS_ATTR_RO(iscsi_stat_login_, authenticate_fails);
502CONFIGFS_ATTR_RO(iscsi_stat_login_, negotiate_fails);
503
504static struct configfs_attribute *iscsi_stat_login_stats_attrs[] = {
505 &iscsi_stat_login_attr_inst,
506 &iscsi_stat_login_attr_indx,
507 &iscsi_stat_login_attr_accepts,
508 &iscsi_stat_login_attr_other_fails,
509 &iscsi_stat_login_attr_redirects,
510 &iscsi_stat_login_attr_authorize_fails,
511 &iscsi_stat_login_attr_authenticate_fails,
512 &iscsi_stat_login_attr_negotiate_fails,
513 NULL,
514};
515
516const struct config_item_type iscsi_stat_login_cit = {
517 .ct_attrs = iscsi_stat_login_stats_attrs,
518 .ct_owner = THIS_MODULE,
519};
520
521
522
523
524static struct iscsi_tiqn *iscsi_logout_stat_tiqn(struct config_item *item)
525{
526 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
527 struct iscsi_wwn_stat_grps, iscsi_logout_stats_group);
528 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
529}
530
531static ssize_t iscsi_stat_logout_inst_show(struct config_item *item, char *page)
532{
533 return snprintf(page, PAGE_SIZE, "%u\n",
534 iscsi_logout_stat_tiqn(item)->tiqn_index);
535}
536
537static ssize_t iscsi_stat_logout_indx_show(struct config_item *item, char *page)
538{
539 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
540}
541
542static ssize_t iscsi_stat_logout_normal_logouts_show(struct config_item *item,
543 char *page)
544{
545 struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
546 struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
547
548 return snprintf(page, PAGE_SIZE, "%u\n", lstats->normal_logouts);
549}
550
551static ssize_t iscsi_stat_logout_abnormal_logouts_show(struct config_item *item,
552 char *page)
553{
554 struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
555 struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
556
557 return snprintf(page, PAGE_SIZE, "%u\n", lstats->abnormal_logouts);
558}
559
560CONFIGFS_ATTR_RO(iscsi_stat_logout_, inst);
561CONFIGFS_ATTR_RO(iscsi_stat_logout_, indx);
562CONFIGFS_ATTR_RO(iscsi_stat_logout_, normal_logouts);
563CONFIGFS_ATTR_RO(iscsi_stat_logout_, abnormal_logouts);
564
565static struct configfs_attribute *iscsi_stat_logout_stats_attrs[] = {
566 &iscsi_stat_logout_attr_inst,
567 &iscsi_stat_logout_attr_indx,
568 &iscsi_stat_logout_attr_normal_logouts,
569 &iscsi_stat_logout_attr_abnormal_logouts,
570 NULL,
571};
572
573const struct config_item_type iscsi_stat_logout_cit = {
574 .ct_attrs = iscsi_stat_logout_stats_attrs,
575 .ct_owner = THIS_MODULE,
576};
577
578
579
580
581static struct iscsi_node_acl *iscsi_stat_nacl(struct config_item *item)
582{
583 struct iscsi_node_stat_grps *igrps = container_of(to_config_group(item),
584 struct iscsi_node_stat_grps, iscsi_sess_stats_group);
585 return container_of(igrps, struct iscsi_node_acl, node_stat_grps);
586}
587
588static ssize_t iscsi_stat_sess_inst_show(struct config_item *item, char *page)
589{
590 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
591 struct se_wwn *wwn = acl->se_node_acl.se_tpg->se_tpg_wwn;
592 struct iscsi_tiqn *tiqn = container_of(wwn,
593 struct iscsi_tiqn, tiqn_wwn);
594
595 return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
596}
597
598static ssize_t iscsi_stat_sess_node_show(struct config_item *item, char *page)
599{
600 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
601 struct se_node_acl *se_nacl = &acl->se_node_acl;
602 struct iscsi_session *sess;
603 struct se_session *se_sess;
604 ssize_t ret = 0;
605
606 spin_lock_bh(&se_nacl->nacl_sess_lock);
607 se_sess = se_nacl->nacl_sess;
608 if (se_sess) {
609 sess = se_sess->fabric_sess_ptr;
610 if (sess)
611 ret = snprintf(page, PAGE_SIZE, "%u\n",
612 sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
613 }
614 spin_unlock_bh(&se_nacl->nacl_sess_lock);
615
616 return ret;
617}
618
619static ssize_t iscsi_stat_sess_indx_show(struct config_item *item, char *page)
620{
621 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
622 struct se_node_acl *se_nacl = &acl->se_node_acl;
623 struct iscsi_session *sess;
624 struct se_session *se_sess;
625 ssize_t ret = 0;
626
627 spin_lock_bh(&se_nacl->nacl_sess_lock);
628 se_sess = se_nacl->nacl_sess;
629 if (se_sess) {
630 sess = se_sess->fabric_sess_ptr;
631 if (sess)
632 ret = snprintf(page, PAGE_SIZE, "%u\n",
633 sess->session_index);
634 }
635 spin_unlock_bh(&se_nacl->nacl_sess_lock);
636
637 return ret;
638}
639
640static ssize_t iscsi_stat_sess_cmd_pdus_show(struct config_item *item,
641 char *page)
642{
643 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
644 struct se_node_acl *se_nacl = &acl->se_node_acl;
645 struct iscsi_session *sess;
646 struct se_session *se_sess;
647 ssize_t ret = 0;
648
649 spin_lock_bh(&se_nacl->nacl_sess_lock);
650 se_sess = se_nacl->nacl_sess;
651 if (se_sess) {
652 sess = se_sess->fabric_sess_ptr;
653 if (sess)
654 ret = snprintf(page, PAGE_SIZE, "%lu\n",
655 atomic_long_read(&sess->cmd_pdus));
656 }
657 spin_unlock_bh(&se_nacl->nacl_sess_lock);
658
659 return ret;
660}
661
662static ssize_t iscsi_stat_sess_rsp_pdus_show(struct config_item *item,
663 char *page)
664{
665 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
666 struct se_node_acl *se_nacl = &acl->se_node_acl;
667 struct iscsi_session *sess;
668 struct se_session *se_sess;
669 ssize_t ret = 0;
670
671 spin_lock_bh(&se_nacl->nacl_sess_lock);
672 se_sess = se_nacl->nacl_sess;
673 if (se_sess) {
674 sess = se_sess->fabric_sess_ptr;
675 if (sess)
676 ret = snprintf(page, PAGE_SIZE, "%lu\n",
677 atomic_long_read(&sess->rsp_pdus));
678 }
679 spin_unlock_bh(&se_nacl->nacl_sess_lock);
680
681 return ret;
682}
683
684static ssize_t iscsi_stat_sess_txdata_octs_show(struct config_item *item,
685 char *page)
686{
687 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
688 struct se_node_acl *se_nacl = &acl->se_node_acl;
689 struct iscsi_session *sess;
690 struct se_session *se_sess;
691 ssize_t ret = 0;
692
693 spin_lock_bh(&se_nacl->nacl_sess_lock);
694 se_sess = se_nacl->nacl_sess;
695 if (se_sess) {
696 sess = se_sess->fabric_sess_ptr;
697 if (sess)
698 ret = snprintf(page, PAGE_SIZE, "%lu\n",
699 atomic_long_read(&sess->tx_data_octets));
700 }
701 spin_unlock_bh(&se_nacl->nacl_sess_lock);
702
703 return ret;
704}
705
706static ssize_t iscsi_stat_sess_rxdata_octs_show(struct config_item *item,
707 char *page)
708{
709 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
710 struct se_node_acl *se_nacl = &acl->se_node_acl;
711 struct iscsi_session *sess;
712 struct se_session *se_sess;
713 ssize_t ret = 0;
714
715 spin_lock_bh(&se_nacl->nacl_sess_lock);
716 se_sess = se_nacl->nacl_sess;
717 if (se_sess) {
718 sess = se_sess->fabric_sess_ptr;
719 if (sess)
720 ret = snprintf(page, PAGE_SIZE, "%lu\n",
721 atomic_long_read(&sess->rx_data_octets));
722 }
723 spin_unlock_bh(&se_nacl->nacl_sess_lock);
724
725 return ret;
726}
727
728static ssize_t iscsi_stat_sess_conn_digest_errors_show(struct config_item *item,
729 char *page)
730{
731 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
732 struct se_node_acl *se_nacl = &acl->se_node_acl;
733 struct iscsi_session *sess;
734 struct se_session *se_sess;
735 ssize_t ret = 0;
736
737 spin_lock_bh(&se_nacl->nacl_sess_lock);
738 se_sess = se_nacl->nacl_sess;
739 if (se_sess) {
740 sess = se_sess->fabric_sess_ptr;
741 if (sess)
742 ret = snprintf(page, PAGE_SIZE, "%lu\n",
743 atomic_long_read(&sess->conn_digest_errors));
744 }
745 spin_unlock_bh(&se_nacl->nacl_sess_lock);
746
747 return ret;
748}
749
750static ssize_t iscsi_stat_sess_conn_timeout_errors_show(
751 struct config_item *item, char *page)
752{
753 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
754 struct se_node_acl *se_nacl = &acl->se_node_acl;
755 struct iscsi_session *sess;
756 struct se_session *se_sess;
757 ssize_t ret = 0;
758
759 spin_lock_bh(&se_nacl->nacl_sess_lock);
760 se_sess = se_nacl->nacl_sess;
761 if (se_sess) {
762 sess = se_sess->fabric_sess_ptr;
763 if (sess)
764 ret = snprintf(page, PAGE_SIZE, "%lu\n",
765 atomic_long_read(&sess->conn_timeout_errors));
766 }
767 spin_unlock_bh(&se_nacl->nacl_sess_lock);
768
769 return ret;
770}
771
772CONFIGFS_ATTR_RO(iscsi_stat_sess_, inst);
773CONFIGFS_ATTR_RO(iscsi_stat_sess_, node);
774CONFIGFS_ATTR_RO(iscsi_stat_sess_, indx);
775CONFIGFS_ATTR_RO(iscsi_stat_sess_, cmd_pdus);
776CONFIGFS_ATTR_RO(iscsi_stat_sess_, rsp_pdus);
777CONFIGFS_ATTR_RO(iscsi_stat_sess_, txdata_octs);
778CONFIGFS_ATTR_RO(iscsi_stat_sess_, rxdata_octs);
779CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_digest_errors);
780CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_timeout_errors);
781
782static struct configfs_attribute *iscsi_stat_sess_stats_attrs[] = {
783 &iscsi_stat_sess_attr_inst,
784 &iscsi_stat_sess_attr_node,
785 &iscsi_stat_sess_attr_indx,
786 &iscsi_stat_sess_attr_cmd_pdus,
787 &iscsi_stat_sess_attr_rsp_pdus,
788 &iscsi_stat_sess_attr_txdata_octs,
789 &iscsi_stat_sess_attr_rxdata_octs,
790 &iscsi_stat_sess_attr_conn_digest_errors,
791 &iscsi_stat_sess_attr_conn_timeout_errors,
792 NULL,
793};
794
795const struct config_item_type iscsi_stat_sess_cit = {
796 .ct_attrs = iscsi_stat_sess_stats_attrs,
797 .ct_owner = THIS_MODULE,
798};
799
